15 ideas
| 3745 | Must sentences make statements to qualify for truth? [O'Connor] |
| 3742 | Beliefs must match facts, but also words must match beliefs [O'Connor] |
| 3744 | The semantic theory requires sentences as truth-bearers, not propositions [O'Connor] |
| 3749 | What does 'true in English' mean? [O'Connor] |
| 3746 | Logic seems to work for unasserted sentences [O'Connor] |
| 13949 | All models of Peano axioms are isomorphic, so the models all seem equally good for natural numbers [Cartwright,R on Peano] |
| 18113 | PA concerns any entities which satisfy the axioms [Peano, by Bostock] |
| 17634 | Peano axioms not only support arithmetic, but are also fairly obvious [Peano, by Russell] |
| 15653 | We can add Reflexion Principles to Peano Arithmetic, which assert its consistency or soundness [Halbach on Peano] |
| 17635 | Arithmetic can have even simpler logical premises than the Peano Axioms [Russell on Peano] |
| 3747 | Events are fast changes which are of interest to us [O'Connor] |
| 3743 | We can't contemplate our beliefs until we have expressed them [O'Connor] |
| 3748 | Without language our beliefs are particular and present [O'Connor] |
| 1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
| 5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |